document.write( "Question 1206198: if twice Mary's age is decreased by 7 is the same age as her age increased by ten
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Algebra.Com's Answer #843472 by josgarithmetic(39620)\"\" \"About 
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if twice Mary's age is decreased by 7, is the same age as her age increased by ten
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\n" ); document.write( "\n" ); document.write( "If \"2x-7\", then this is \"x%2B10\".\r
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\n" ); document.write( "\n" ); document.write( "\"2x-7=x%2B10\"\r
\n" ); document.write( "\n" ); document.write( "\"x=17\"--------------Mary's age
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